/Engine/Plugins/Online/OnlineServices/Source/OnlineServicesCommon/Public/Online/OnlineAsyncOp.h
For use when we need to put aTOnlineResultin an object that needs to be default constructed such as aTPromise
template<typename Result> class TDefaultErrorResultInternal : public [UE::Online::TResult< Result, FOnlineError >](API\Plugins\OnlineServicesInterface\Online\TResult)